Add Dockerfile and docker-compose.yml

.gitignore

@@ -41,5 +41,5 @@ db
 
 # ignore all TOML files…
 *.toml
-# ...but don’t ignore the example files
+# ...but don't ignore the example files
 !*.toml.example

Dockerfile

@@ -0,0 +1,18 @@
+# Dockerfile for the Node.js checkpoint service
+FROM node:18-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files and install dependencies
+COPY package.json package-lock.json ./
+RUN npm ci --only=production
+
+# Copy application source
+COPY . .
+
+# Expose the application port
+EXPOSE 3000
+
+# Run the application
+CMD ["npm", "start"] 

docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3.8"
+
+services:
+  checkpoint:
+    build: .
+    container_name: checkpoint
+    volumes:
+      - ./data:/app/data
+      - ./db:/app/db
+      - ./config:/app/config
+      - ./.env:/app/.env:ro
+    ports:
+      - "3000:3000"
+    restart: unless-stopped